Enhancement of the hydrogen sorption on mesoporous carbon by doping with palladium nanoparticles
Using the matrix synthesis protocol of Ryoo for the preparation of highly ordered cubic mesoporous carbon using mesoporous silica as a template, in order to prepare palladium-doped. Analyzes formation of mesoporous carbon followed by X-ray diffraction.
Подобные документы
Preparing of mesoporous organic-inorganic hybrid composites on glass substrates by the sol-gel method for testing the proteins adhesion. The coatings of colloidal silica, polysiloxane sol methyl-modified sols and with various wettability properties.
статья, добавлен 02.04.2014Influence of synthesis conditions on ceria particles size. Anticorrosion properties of modified carbon nanotubes. Realization the synthesis in aqueous solution at room temperature that reduces the cost of the preparation procedure of nanosized ceria.
статья, добавлен 04.04.2014The novel approach to chemical design of carbon-coated Al2O3 nanoparticles with an average particle size of 8-10 nm was developed. Carbon coating was synthesised by modification of fumed alumina support with 4,4-methylenebis and its subsequent pyrolysis.
автореферат, добавлен 02.04.2014Homogeneous precipitation synthesis of nanocomposites - activated carbon – zirconium(IV) oxide. Characterization of samples by x-ray diffraction analysis and electron microscopy. Sorption properties and the degree of extraction of phosphate ions.
статья, добавлен 23.02.2016Oxidized with solution of hydrogen peroxide multiwalled carbon nanotubes (MWCNTs) were modified with 2-hydroxyethylmethacrylate (HEMA) or chitosan (CTS). Morphology and surface properties of the pristine and modified MWCNTs have been investigated.
статья, добавлен 03.04.2014Treating the properties of oxidized activated carbon KAU by different temperatures in inert atmosphere were studied by means of DTA, Boehm titration, XPS and AFM methods and their catalytic activity in hydrogen sulphide oxidation was established.
статья, добавлен 04.04.2014Using of solid carbon in industrial branches. Analyzes of the unity of composition, molecular and supermolecular structure of shungite concentrate and silicon-carbon from rice hulls which provides their effective practical use in the same engineering.
статья, добавлен 02.04.2014- 8. Preparation and properties of hybrid poly(3,4-ethylenedioxythiophene)–carbon nanotubes composites
It was investigated the infrared spectra of the hybrid composites poly. The current-voltage characteristics of the obtained materials. It is shown that increasing the content of carbon nanotubes leads to decrease of the resistance of hybrid films.
статья, добавлен 30.07.2016 The preparation methods, and main characteristics of known catalysts for carbon monoxide oxidation have been examined. A short review in a tabular form which facilitates a quick view on catalysts for CO oxidation (mainly cobalt ones) is represented.
статья, добавлен 30.08.2016Thiophene derivatives, cyclopropenethiones, dithiynes, carbon disulfide in the synthesis of thienothiophenes and their analogues. Reactivity and chemical transformations. Molecular structures and physical properties fields of application thienothiophenes.
дипломная работа, добавлен 05.03.2013Investigations of nanoporous carbon materials from organic raw materials of vegetable nature appropriate to be used as an electrode component in supercapacitors with an aqueous electrolyte. Familiarization with voltammograms of experimental samples.
статья, добавлен 30.07.2016The implementation of the process of aggregation of the nanofiller in the production of nanocomposites polymer/carbon nanotubes, formation of nanotubes ropes and their bending. Effect of ultrasound on aggregation of carbon nanotubes of the second type.
статья, добавлен 23.02.2016The formation of the potassium salt of 3-substituted 6-thio-6,7-dihydro-2H-[1,2,4]triazino[2,3-C]quinazoline-2-ones in the presence of potassium hydroxide in alcohols via reaction of 6-R-3-(2-aminophenyl)-1,2,4-triazin-5-ones (2) with carbon disulfide.
статья, добавлен 22.02.2014The crystal structures of the Dy2M17 (M = Fe, Co, Ni) compounds were investigated from single crystal X-ray diffraction data (Th2Ni17 type structure, space group). The Dy2M17 binaries (M = Co, Ni) dissolve limited amounts of carbon, up to 0.2 (M = Co).
статья, добавлен 23.02.2017Microporous structure of outgoing and thermally modified plant-extracted carbon material. Porous system characteristics by different methods on low temperature adsorption-desorption. Сharacteristic of most effective thermal modifications form nanopores.
статья, добавлен 24.02.2016Models of 5,10-methylenetetrahydrofolate in organic synthesis and their reactions. Syntheses using mononucleophiles and binucleophiles. Molecular mechanism of carbon transfer reactions. Designs of models of coenzyme 5,10-methylenetetrahydrofolate.
статья, добавлен 05.03.2013Change of palladium ions concentration during cementation on the magnesium disk in dimethylformamide solution. Chemical microparticles and agglomerates anorganic chlorine compound. Palladium adhesion to the substrate surface in dimethylformamide.
статья, добавлен 23.02.2016Obtaining via hydrolysis of tetraethylorthosilicate in presence of template agent Pluronic P123 Ag/Au bimetallic nanoparticles in porous sol-gel silica films on glass. Definite amounts of AgNO3 and HAuCl4 by dip-coating procedure by a thermal treatment.
статья, добавлен 01.04.2014Influence of increasing the temperature of thermochemical activation of up to 750 °C and increasing the dosage of potassium hydroxide to 2.1 g/g of activated carbon synthesis of hydrolytic lignin on the formation of adsorption properties of the AC.
статья, добавлен 30.07.2017The research conducted in the field of adsorption-catalytic extraction of H2S from low sulfurous natural gases and conversion into elemental sulfur using the synthetic CaA zeolite and natural modified adsorber mordenite as well as the palladium catalyst.
статья, добавлен 11.07.2018Carbon as the element essential to all of life, and hence the basis for a vast field of study. Electronegativity value of fluorine. Plastic polystyrene - important product of the hydrocarbon family. Chemical properties of carboxylic acids and esters.
доклад, добавлен 15.09.2014Research and characteristics of the methanation of carbon dioxide under atmospheric pressure over a catalyst containing 5% of metals prepared by the impregnation method. Measured of the specific surface area by low-temperature adsorption of argon.
статья, добавлен 29.09.2016The application of a new, simple and rapid spectrophotometric method to the determination of palladium in the intermetallides Yb40Pd38Sn22 and Yb40Pd40Ga20. Interaction of palladium(II) ions with 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one at pH = 5.0.
статья, добавлен 23.02.2017Analysis of the method of synthesis of new materials with carboxylic acid groups, based on the template method, was developed. The efficiency of this methodology was demonstrated by powder x-ray diffraction, infrared spectroscopy and thermal analysis.
статья, добавлен 02.04.2014The ultrasonic cavitation activity in aqueous solution of carbon dioxide was studied. The ICA-3M cavitometer was used for cavitation activity estimation. Erosion rate was estimated in a number of regimes. The spectra of cavitation noise were recorded.
статья, добавлен 19.02.2021